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手頭上攢了一些手機電池不知道干嘛就尋思著(zhù)做一些小玩意，于是就有了一個(gè)主意就是搖搖棒即簡(jiǎn)單又好玩，本人喜歡小而巧的東西所以就把這個(gè)東西做的很小。

上圖是搖搖棒的原理利用人的視覺(jué)暫留結合單片機控制LED的亮滅就可以在空中顯示字符或者圖標。

上圖是電路圖為了把東西做小我選擇了STC15F104單片機它有8個(gè)引腳去除VCC和GND還有6個(gè)I/O口可以顯示一些簡(jiǎn)單的字母和數字單片機內部自帶了EEPROM所以利用它可以存儲每一次顯示的狀態(tài)（每一次的開(kāi)關(guān)電源就可以切換到下一個(gè)顯示的字符）程序在最后面。

代碼在下面：#include

#define uchar unsigned char

#define EN_EPROM 0x83;

//使能EEPROM

#define S_MODE 0x00; //待機模式

#define R_MODE 0x01;//讀模式

#define W_MODE 0x02; //寫(xiě)模式

#define F_MODE 0x03; //擦除模式sfr IAP_DATA = 0xC2;sfr IAP_ADDRH = 0xC3;sfr IAP_ADDRL = 0xC4;sfr IAP_CMD = 0xC5;sfr IAP_TRIG = 0xC6;sfr IAP_CONTR = 0xC7;void init();uchar num=0,m=0;uchar read_dat(uchar addr_h,uchar addr_l);void erase_dat(uchar addr_h,uchar addr_l);void write_dat(uchar addr_h,uchar addr_l,uchar w_dat);unsigned char code tab[10][32]={ { 0xe7,0xc3,0xc1,0xe0,0xc1,0xc3,0xe7,0xff, 0xff,0xff,0xff,0xe7,0xc3,0xc1,0xe0,0xc1, 0xc3,0xe7,0xff,0xff,0xff,0xff,0xe7,0xc3, 0xc1,0xe0,0xc1,0xc3,0xe7,0xff,0xff,0xff }, { 0xff,0xff,0xde,0xc0,0xde,0xff,0xff,0xff, 0xff,0xff,0xff,0xe7,0xc3,0xc1,0xe0,0xc1, 0xc3,0xe7,0xff,0xff,0xff,0xff,0xff,0xc1, 0xfe,0xfe,0xfe,0xfe,0xc1,0xff,0xff,0xff }, { 0xde,0xed,0xf3,0xf3,0xed,0xde,0xff,0xff, 0xff,0xff,0xff,0xde,0xed,0xf3,0xf3,0xed, 0xde,0xff,0xff,0xff,0xff,0xff,0xff,0xde, 0xed,0xf3,0xf3,0xed,0xde,0xff,0xff,0xff }, { 0xfb,0xfd,0xd6,0xe8,0xd6,0xfd,0xfb,0xff, 0xff,0xff,0xff,0xfb,0xfd,0xd6,0xe8,0xd6, 0xfd,0xfb,0xff,0xff,0xff,0xff,0xfb,0xfd, 0xd6,0xe8,0xd6,0xfd,0xfb,0xff,0xff,0xff }, { 0xea,0xd5,0xea,0xd5,0xea,0xd5,0xea,0xd5, 0xea,0xd5,0xea,0xd5,0xea,0xd5,0xea,0xd5, 0xea,0xd5,0xea,0xd5,0xea,0xd5,0xea,0xd5, 0xea,0xd5,0xea,0xd5,0xea,0xd5,0xea,0xd5 }, { 0xfa,0xfd,0xfa,0xff,0xef,0xd7,0xef,0xff, 0xfa,0xfd,0xfa,0xff,0xef,0xd7,0xef,0xff, 0xfa,0xfd,0xfa,0xff,0xef,0xd7,0xef,0xff, 0xfa,0xfd,0xfa,0xff,0xef,0xd7,0xef,0xff }, { 0xf0,0xed,0xdd,0xed,0xf0,0xff,0xff,0xdf, 0xdf,0xc0,0xdf,0xdf,0xff,0xff,0xc1,0xfe, 0xfe,0xfe,0xc1,0xff,0xff,0xc1,0xfe,0xf1, 0xfe,0xc1,0xff,0xff,0xe1,0xde,0xde,0xe1 }, { 0xc0,0xfb,0xfb,0xfb,0xc0,0xff,0xff,0xff, 0xff,0xff,0xde,0xed,0xf3,0xf3,0xed,0xde, 0xff,0xff,0xff,0xff,0xff,0xff,0xcf,0xf7, 0xf8,0xf7,0xcf,0xff,0xff,0xff,0xff,0xff }, { 0xc0,0xde,0xd2,0xda,0xda,0xc2,0xfe,0xc0, 0xdf,0xd0,0xd6,0xd6,0xd2,0xde,0xc0,0xff, 0xc0,0xde,0xd2,0xda,0xda,0xc2,0xfe,0xc0, 0xdf,0xd0,0xd6,0xd6,0xd2,0xde,0xc0,0xff }, { 0xdf,0xef,0xf7,0xfb,0xfd,0xfe,0xfd,0xfb, 0xf7,0xef,0xdf,0xef,0xf7,0xfb,0xfd,0xfe, 0xfd,0xfb,0xf7,0xef,0xdf,0xef,0xf7,0xfb, 0xfd,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xff },}; void delay(uchar xms){ char i,j; for(i=0;i for(j=0;j<50;j++);}void main(){="" init();="" num="read_dat(0x00,0x01);" ++num;="" if(num="">=11) { num=1; }; erase_dat(0x00,0x01); write_dat(0x00,0x01,num); while(1) { uchar i=0; for(i=0;i<32;i++) {="" p3="tab[num-1][i];" delay(100);="" }="" }="" }void="" init(){="" iap_contr="EN_EPROM;">

IAP_CMD = S_MODE; //待機模式無(wú)ISP操作 IAP_ADDRH = 0x00; IAP_ADDRL = 0x00;}uchar read_dat(uchar addr_h,uchar addr_l){ uchar E_dat = 0x00;

IAP_CMD = R_MODE; //模式選擇為讀EEPROM IAP_ADDRH = addr_h; IAP_ADDRL = addr_l; IAP_TRIG = 0x5A; //使命令有效 IAP_TRIG = 0xA5; //使命令有效 E_dat = IAP_DATA; return E_dat;}void write_dat(uchar addr_h,uchar addr_l,uchar w_dat){ IAP_CMD = W_MODE; //模式選擇為寫(xiě)EEPROM IAP_ADDRH = addr_h; IAP_ADDRL = addr_l; IAP_DATA = w_dat; IAP_TRIG = 0x5A; //使命令有效 IAP_TRIG = 0xA5; //使命令有效}void erase_dat(uchar addr_h,uchar addr_l){ IAP_CMD = F_MODE; //模式選擇為擦除EEPROM IAP_ADDRH = addr_h; IAP_ADDRL = addr_l; IAP_TRIG = 0x5A; //使命令有效 IAP_TRIG = 0xA5;

//使命令有效

}

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